diff --git a/app/build.gradle b/app/build.gradle
index 83392ba..288f5b2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,6 +23,7 @@ android {
         applicationId "com.fankes.apperrorstracking"
         minSdk 27
         targetSdk 31
+        buildToolsVersion "31.0.0"
         versionCode rootProject.ext.appVersionCode
         versionName rootProject.ext.appVersionName
 
diff --git a/demo-app/build.gradle b/demo-app/build.gradle
index f31793b..a6cf8f6 100644
--- a/demo-app/build.gradle
+++ b/demo-app/build.gradle
@@ -21,6 +21,7 @@ android {
     defaultConfig {
         minSdk 27
         targetSdk 31
+        buildToolsVersion '31.0.0'
         versionCode 1
         versionName "1.0"
 
@@ -76,4 +77,4 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-}
\ No newline at end of file
+}